SEPARATING VESSEL FOR RECOVERING THE MIXTURE OF PETROLEUM PRODUCTS FROM THE PHREATIC ZONES BORDERING THE PETROCHEMICAL WORKS

摘要

The invention relates to a separating vessel for recovering the mixture of petroleum products from the phreatic zones bordering the petrochemical works. According to the invention, the separating vessel is inverted U-shaped and has a front wall provided with slots made by the plates (2) alternatively welded in a gap-full configuration, in spaced apart parallel rows, a wall (3) functioning as a shield for the mixture of gravitationally segregated petroleum products floating on the water which migrates through the permeable level of the soil. According to the invention, the mixture of petroleum products is trapped in 150 ... 200 m long drainages dug transversely to the migration direction and is recovered through the access shafts.